72 lines
3.9 KiB
Plaintext
72 lines
3.9 KiB
Plaintext
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一、安装 cert-manager
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OpenTelemetry Operator 提供了 OpenTelemetryCollector CRD（自定义资源定义），能自动处理服务发现和 RBAC（基于角色的访问控制）
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该 Operator 需要 cert-manager 来支持准入 Webhook，部署步骤如下：
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安装OpenTelemetry Operator 自定义资源，需先部署 cert-manager ，使用yaml 直接部署，文件：02-cert-manager.yaml (官方文档里)
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官方文档链接：https://cert-manager.io/docs/installation/kubectl/
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cert-manager 将安装在cert-manager命名空间中，安装了cert-manager后，通过以下方式验证其部署是否正确 检查cert-manager命名空间:
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kubectl get pods --namespace cert-manager
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NAME READY STATUS RESTARTS AGE
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cert-manager-7b8b89f89d-tpchr 1/1 Running 0 24s
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cert-manager-cainjector-7f9fdd5dd5-px66h 1/1 Running 0 25s
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cert-manager-webhook-769f6b94cb-zmjmv 1/1 Running 0 24s
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二、安装 OpenTelemetry Operator
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使用 helm 安装OpenTelemetry ，添加 Operator helm 仓库、更新、安装：
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helm repo add open-telemetry https://open-telemetry.github.io/opentelemetry-helm-charts
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helm repo update
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helm install opentelemetry-operator open-telemetry/opentelemetry-operator \
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--namespace opentelemetry-operator \
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--create-namespace
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或者直接使用yaml部署：文件 03-opentelemetry-operator.yaml
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kubectl apply -f https://github.com/open-telemetry/opentelemetry-operator/releases/latest/download/opentelemetry-operator.yaml
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kubectl delete -f https://github.com/open-telemetry/opentelemetry-operator/releases/latest/download/opentelemetry-operator.yaml
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# 查看安装的CRD
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kubectl get crd | grep opentelemetry.io
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输出：
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instrumentations.opentelemetry.io 2025-12-11T09:02:11Z
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opampbridges.opentelemetry.io 2025-12-11T09:02:13Z
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opentelemetrycollectors.opentelemetry.io 2025-12-11T09:02:14Z
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targetallocators.opentelemetry.io 2025-12-11T09:02:17Z
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# 查看安装的operator控制器 Pod 状态
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kubectl get pods -n opentelemetry-operator-system
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NAME READY STATUS RESTARTS AGE
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opentelemetry-operator-controller-manager-9c4b5467d-dhhp7 1/1 Running 0 3m10s
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# 查看 Operator Deployment 状态
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kubectl get deploy opentelemetry-operator-controller-manager -n opentelemetry-operator-system
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NAME READY UP-TO-DATE AVAILABLE AGE
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opentelemetry-operator-controller-manager 1/1 1 1 4m43s
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# 查看证书是否签发成功（验证与 cert-manager 协同正常）
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NAME READY SECRET AGE
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certificate.cert-manager.io/opentelemetry-operator-serving-cert True opentelemetry-operator-controller-manager-service-cert 6m13s
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NAME READY AGE
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issuer.cert-manager.io/opentelemetry-operator-selfsigned-issuer True 6m12s
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# 查看 Operator 相关 CRD
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kubectl get crd | grep opentelemetry.io
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输出：
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instrumentations.opentelemetry.io 2026-01-14T07:28:56Z
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opampbridges.opentelemetry.io 2026-01-14T07:28:57Z
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opentelemetrycollectors.opentelemetry.io 2025-12-11T09:02:14Z
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targetallocators.opentelemetry.io 2026-01-14T07:29:03Z
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# 卸载命令
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# 格式：helm uninstall <Release 名称> -n <命名空间>
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helm uninstall opentelemetry-operator -n opentelemetry-operator
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# 删除 CRD（仅当你确认不再需要任何 OTel 相关自定义资源实例时执行）
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# 批量删除 Operator 相关 CRD
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kubectl delete crd \
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instrumentations.opentelemetry.io \
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opentelemetrycollectors.opentelemetry.io \
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targetallocators.opentelemetry.io
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